Oracle Linux 6 has been released and the installation DVD images are available on edelivery web site. Oracle Linux 6 is free to download, install and use. As is the case with Oracle Linux 5.6, the default kernel on x86_64 platform in Oracle Linux 6 is the Unbreakable Enterprise Kernel. On the other hand, Oracle Linux 6 also includes a Red Hat compatible kernel built directly from RHEL source. It’s already installed, and you can use it if modify /etc/grub.conf file.